Question

sejam os conjuntos A={-1,0,1} B={0,1,2,3} e C={2,3,4,5} determine a;AUB b;AUC c;AUBUC?

Answer 1

A={-1,0,1} B={0,1,2,3} e C={2,3,4,5} determine

a;AUB =  { -1,0,1,2,3}

b;AUC =  {-1,0,1,2,3,4,5} 

c;AUBUC = { -1,0,1,2,3,4,5} 

Answer 2

a; AUB [0,1] b;AUC [ ] c; AUBUC [0,1,2,3]